Number of bond trees with n bonds on the square lattice.
A308409
Number of bond trees with n bonds on the square lattice.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =22a(4) =87a(5) =364a(6) =1574a(7) =6986a(8) =31581a(9) =144880a(10) =672390a(11) =3150362a(12) =14877317a(13) =70726936a(14) =338158676
External references
- oeis: A308409